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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreWorkspace
*
* @brief This header file provides interfaces of the
* @ref RTEMSScoreWorkspace which are only used by the implementation.
*/
/*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTEMS_SCORE_WKSPACE_H
#define _RTEMS_SCORE_WKSPACE_H
#include <rtems/score/heap.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup RTEMSScoreWorkspace
*
* @{
*/
/**
* @brief Executive workspace control.
*
* This is the heap control structure used to manage the RTEMS Executive
* Workspace.
*/
extern Heap_Control _Workspace_Area;
/**
* @brief Initializes the workspace handler.
*
* This routine performs the initialization necessary for this handler.
*/
void _Workspace_Handler_initialization( void );
/**
* @brief Allocates a memory block of the specified size from the workspace.
*
* @param size The size of the memory block.
*
* @retval pointer The pointer to the memory block. The pointer is at least
* aligned by CPU_HEAP_ALIGNMENT.
* @retval NULL No memory block with the requested size is available in the
* workspace.
*/
void *_Workspace_Allocate( size_t size );
/**
* @brief Frees memory to the workspace.
*
* This function frees the specified block of memory.
*
* @param block The memory to free.
*
* @note If @a block is equal to NULL, then the request is ignored.
* This allows the caller to not worry about whether or not
* a pointer is NULL.
*/
void _Workspace_Free(
void *block
);
/**
* @brief Duplicates string with memory from the workspace.
*
* @param string The pointer to a zero terminated string.
* @param len The length of the string (equal to strlen(string)).
*
* @retval other Duplicated string.
* @retval NULL Not enough memory.
*/
char *_Workspace_String_duplicate(
const char *string,
size_t len
);
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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